A three-year study of nearly 4,000 adults ranging from age 19 to 94 found that brain health can improve at any age, challenging the common belief that mental sharpness must decline as we get older. Participants spent just a few minutes a day on brain-training activities, and researchers found measurable gains across multiple aspects of brain health, including thinking clarity, emotional well-being, and sense of purpose. Read more ›
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Taking a statin medication is an effective, safe, and low-cost way to lower cholesterol and reduce risk of cardiovascular events. Despite clinicians recommending that many patients with diabetes take statins, nearly one-fifth of them opt to delay treatment. In a new study, researchers found that patients who started statin therapy right away reduced the rate of heart attack and stroke by one third compared to those who chose to delay... Read more ›
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A specific group of nerve cells in the brain stem appears to control how semaglutide affects appetite and weight -- without causing nausea. Read more ›
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Contrary to widespread assumptions, the largest shark that ever lived -- Otodus megalodon -- fed on marine creatures at various levels of the food pyramid and not just the top. Scientists analyzed the zinc content of a large sample of fossilized megalodon teeth, which had been unearthed above all in Sigmaringen and Passau, and compared them with fossil teeth found elsewhere and the teeth of animals that inhabit our planet... Read more ›
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Flowers grow stems, leaves and petals in a perfect pattern again and again. A new study shows that even in this precise, patterned formation in plants, gene activity inside individual cells is far more chaotic than it appears. Read more ›
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A gene that regulates the development of roots in vascular plants is also involved in the organ development of liverworts -- land plants so old they don't even have proper roots. The discovery highlights the fundamental evolutionary dynamic of co-opting, evolving a mechanism first and adopting it for a different purpose later. Read more ›
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In biology, enzymes have evolved over millions of years to drive chemical reactions. Scientists have now derived universal rules to enable the de novo design of optimal enzymes. As an example, they considered the enzymatic reaction of breaking a dimer into two monomer molecules. Considering the geometry of such an enzyme-substrate-complex, they identified three golden rules that should be considered to build a functional enzyme. Read more ›
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Scientists may have solved the mystery of why the moon shows ancient signs of magnetism although it has no magnetic field today. An impact, such as from a large asteroid, could have generated a cloud of ionized particles that briefly enveloped the moon and amplified its weak magnetic field. Read more ›
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A group of fossils of elasmosaurs -- some of the most famous in North America -- have just been formally identified as belonging to a 'very odd' new genus of the sea monster, unlike any previously known. This primitive 85-million-year-old, 12 meter-long, fiercely predatory marine reptile is unlike any elasmosaur known to-date and hunted its prey from above. Read more ›
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A new study uses metabolic profiling to uncover ancient knowledge systems behind therapeutic and psychoactive plant use in ancient Arabia. Read more ›
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New international research demonstrates global-scale patterns in how El Ni o-Southern Oscillation (ENSO) influences mangrove growth and degradation. Previously, impacts had only been documented at individual sites, such as a dramatic die-off in northern Australia in 2015 when more than 40 million mangrove trees perished along a 1,200-mile stretch of coastline. Read more ›
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As sea levels climb and weather grows more extreme, coastal regions everywhere are facing a creeping threat: salt. Salinization of freshwater and soils adversely affects 500 million people around the world, especially in low-lying river deltas. A new study sheds light on how rising oceans are pushing saltwater into freshwater rivers and underground water sources in the world's largest river mouth -- the Bengal Delta in Bangladesh. Read more ›
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Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted and around 700,000 years ago the cold periods doubled in length. This is when many of the current cold-adapted species, as well as extinct ones like mammoths, evolved. Read more ›
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The molecular pathways involved in antiviral defenses and counter-defenses in host-pathogen systems remain unclear. Researchers have used Neurospora crassa as a model organism to explore how RNA editing influences fungal antiviral responses. They identified two neighboring genes -- an RNA-editing enzyme (old) and a transcription factor (zao) -- that regulate virus-induced gene expression. Their findings show how the old-zao module controls both asymptomatic and symptomatic infections, providing new insight. Read more ›
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A research team has achieved a significant breakthrough in determining fundamental properties of atomic nuclei. The team conducted laser spectroscopy experiments on muonic helium-3. Muonic helium-3 is a special form of helium in which the atom s two electrons are replaced by a single, much heavier muon. Read more ›
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Researchers have developed a vascularized organoid model of hormone secreting cells in the pancreas. The advance promises to improve diabetes research and cell-based therapies. Read more ›
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Blue phosphorescent OLEDs can now last as long as the green phosphorescent OLEDs already in devices, researchers have demonstrated, paving the way for further improving the energy efficiency of OLED screens. Read more ›
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For the nearly 30 percent of major depressive disorder patients who are resistant to treatment, ketamine provides some amount of normalcy, but it requires frequent treatment and can have side effects. Researchers now show in proof-of-concept experiments that it may be possible to extend ketamine's antidepressant effect from about a week to up to two months. Read more ›
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Self-driving cars which eliminate traffic jams, getting a healthcare diagnosis instantly without leaving your home, or feeling the touch of loved ones based across the continent may sound like the stuff of science fiction. But new research could make all this and more a step closer to reality thanks to a radical breakthrough in semiconductor technology. Read more ›
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As the US national debate intensifies around immigration, a new study is challenging conventional wisdom about 'brain drain'--the idea that when skilled workers emigrate from developing countries, their home economies suffer. Read more ›
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21.06.2026 15:01
Last update: 14:55 EDT.
News rating updated: 21:51.
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